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  <title>Check that the signed message has a valid signature</title>
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  <div id="layout-content"><div id="function.sodium-crypto-sign-open" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">sodium_crypto_sign_open</h1>
  <p class="verinfo">(PHP 7 &gt;= 7.2.0)</p><p class="refpurpose"><span class="refname">sodium_crypto_sign_open</span> &mdash; <span class="dc-title">Check that the signed message has a valid signature</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.sodium-crypto-sign-open-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>sodium_crypto_sign_open</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$string</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$keypair</code></span>
   ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">

  </p>

  <div class="warning"><strong class="warning">Warning</strong><p class="simpara">本函数还未编写文档，仅有参数列表。</p></div>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.sodium-crypto-sign-open-parameters">
  <h3 class="title">参数</h3>
  <dl>

   
    <dt>
<code class="parameter">string</code></dt>

    <dd>

     <p class="para">
      
     </p>
    </dd>

   
   
    <dt>
<code class="parameter">keypair</code></dt>

    <dd>

     <p class="para">
      
     </p>
    </dd>

   
  </dl>

 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.sodium-crypto-sign-open-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   
  </p>
 </div>



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